Trundle is a small town in Parkes Shire in the Central West of New South Wales, Australia. It and the surrounding area had a population of 33…Trundle is a small town in Parkes Shire in the Central West of New South Wales, Australia. It and the surrounding area had a population of 335 in the 2021 census. It lies in wheat-growing country and is on the Bogan Gate–Tottenham railway line, completed to Trundle in 1907.